Gaya APA
William, H.
().
THE VISTA OF AMERICAN LABOR
(
1)
.
Wahington..D.C:
U.S Inforatioan Agency.
Gaya MLA
William, Haber.
"THE VISTA OF AMERICAN LABOR".
1
Wahington..D.C:
U.S Inforatioan Agency,
.
Text.